[INFO] updating cached repository twissel/scrapper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/twissel/scrapper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/twissel/scrapper" "work/ex/beta-1.38-1/sources/1.37.0/gh/twissel/scrapper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/twissel/scrapper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/twissel/scrapper" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twissel/scrapper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twissel/scrapper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 442de283039631bc9c16f63f85685f8f83450fc1
[INFO] sha for GitHub repo twissel/scrapper: 442de283039631bc9c16f63f85685f8f83450fc1
[INFO] validating manifest of twissel/scrapper on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of twissel/scrapper on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing twissel/scrapper
[INFO] finished frobbing twissel/scrapper
[INFO] frobbed toml for twissel/scrapper written to work/ex/beta-1.38-1/sources/1.37.0/gh/twissel/scrapper/Cargo.toml
[INFO] started frobbing twissel/scrapper
[INFO] finished frobbing twissel/scrapper
[INFO] frobbed toml for twissel/scrapper written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twissel/scrapper/Cargo.toml
[INFO] crate twissel/scrapper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing twissel/scrapper against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twissel/scrapper:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3b8bd2ac6643271f00396dad2ef02f25fa1b371ba061ce0da5de9336177905a2
[INFO] running `"docker" "start" "-a" "3b8bd2ac6643271f00396dad2ef02f25fa1b371ba061ce0da5de9336177905a2"`
[INFO] [stderr]    Compiling slog v2.2.3
[INFO] [stderr]    Compiling trackable v0.2.15
[INFO] [stderr]    Compiling tokio-executor v0.1.1
[INFO] [stderr]    Compiling isatty v0.1.6
[INFO] [stderr]    Compiling ex-futures v0.4.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling chrono v0.4.1
[INFO] [stderr]    Compiling tendril v0.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.0
[INFO] [stderr]    Compiling slog-scope v4.0.1
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling slog-stdlog v3.0.2
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling slog-term v2.3.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]    Compiling tokio v0.1.4
[INFO] [stderr]    Compiling tokio-core v0.1.16
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]    Compiling hyper v0.11.24
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling select v0.4.2
[INFO] [stderr]    Compiling sloggers v0.2.6
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling reqwest v0.8.5
[INFO] [stderr]    Compiling scrapper_v2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(never_type)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crawler.rs:31:35
[INFO] [stderr]    |
[INFO] [stderr] 31 |     parsing: FuturesUnordered<Box<Future<Item = ParseStream<S::Item>, Error = Error>>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ParseStream<S::Item>, Error = Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crawler.rs:45:18
[INFO] [stderr]    |
[INFO] [stderr] 45 |         fut: Box<Future<Item = ParseStream<S::Item>, Error = Error> + Send>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ParseStream<S::Item>, Error = Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crawler.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |     ) -> Box<Future<Item = ParseStream<S::Item>, Error = Error> + Send> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ParseStream<S::Item>, Error = Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sheduler.rs:74:37
[INFO] [stderr]    |
[INFO] [stderr] 74 |     executing: FuturesUnordered<Box<Future<Item = Response, Error = Error>>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/spider.rs:13:30
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type RequestStream = Box<Stream<Item = Result<Request, Error>, Error = Error>>;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = Result<Request, Error>, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/spider.rs:14:31
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type ParseStream<T> = Box<Stream<Item = Result<Parse<T>, Error>, Error = Error> + Send>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = Result<Parse<T>, Error>, Error = Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/spider.rs:15:30
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub type ItemStream<T> = Box<Stream<Item = T, Error = !>>;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = T, Error = !>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/spider.rs:16:38
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub type InternalRequestStream = Box<Stream<Item = Request, Error = !>>;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = Request, Error = !>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/spider.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn start(&mut self) -> Box<Future<Item = RequestStream, Error = Error>>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = RequestStream, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/spider.rs:30:14
[INFO] [stderr]    |
[INFO] [stderr] 30 |     ) -> Box<Future<Item = ParseStream<Self::Item>, Error = Error> + Send>;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = ParseStream<Self::Item>, Error = Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | ) -> Box<Stream<Item = T, Error = SE>>
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = T, Error = SE>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:32:37
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Box::new(stream) as Box<Stream<Item = T, Error = SE>>
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = T, Error = SE>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn start(&mut self) -> Box<Future<Item = spider::RequestStream, Error = Error>> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = spider::RequestStream, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:98:14
[INFO] [stderr]    |
[INFO] [stderr] 98 |     ) -> Box<Future<Item = spider::ParseStream<Self::Item>, Error = Error> + Send> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = spider::ParseStream<Self::Item>, Error = Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:139:32
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn start(&mut self) -> Box<Future<Item = spider::RequestStream, Error = Error>> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = spider::RequestStream, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:176:14
[INFO] [stderr]     |
[INFO] [stderr] 176 |     ) -> Box<Future<Item = spider::ParseStream<Self::Item>, Error = Error> + Send> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = spider::ParseStream<Self::Item>, Error = Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `scrapper_v2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3b8bd2ac6643271f00396dad2ef02f25fa1b371ba061ce0da5de9336177905a2"`
[INFO] running `"docker" "rm" "-f" "3b8bd2ac6643271f00396dad2ef02f25fa1b371ba061ce0da5de9336177905a2"`
[INFO] [stdout] 3b8bd2ac6643271f00396dad2ef02f25fa1b371ba061ce0da5de9336177905a2